It is forbidden for patients with heart, brain and diseases, 15 years old and patients over 60 years old. Lightweight is a kind of natural gastrointestinal polypeptide in human body, which can inhibit gastrointestinal peristalsis and gastric juice secretion, suppress appetite, actively reduce food intake, delay the emptying of stomach contents, deeply reduce energy absorption, accelerate the transportation of spleen and stomach, and then realize the function of losing weight. Lightweight is not suitable for people: it is forbidden for patients with heart, brain and diseases, and it is forbidden for people under 15 and over 60 years old; Customers who lose weight repeatedly need a conditioning period. 1-2 times; Drink traditional Chinese medicine to regulate the body. If you need to take medicine for a cold, stop taking it and do it again. Pregnant women's holidays, breastfeeding and pregnancy preparation are not operated.